PowerDNS Authoritative Server 4.5.0-alpha1

Hello!

Today we released the first Alpha version for Authoritative Server version 4.5.0.

Version 4.5.0 mostly brings small improvements and fixes, but there is one notable new feature: the zone cache.

The zone cache allows PowerDNS to keep a list of zones in memory, updated periodically. With this cache, PowerDNS can avoid hitting the database with queries for unknown domains. In some setups, and some attack scenarios, this can make a serious performance difference.

A full list of changes can be found in the changelog.

Please make sure to read the Upgrade Notes before upgrading.

With version 4.5.0, support for platforms with a time_t type smaller than 64 bits is dropped. This means that we do not build packages for Raspberry Pi OS.

The tarball (signature) is available at downloads.powerdns.com. Packages for various distributions are available from repo.powerdns.com.

Please send us all feedback and issues you might have via the mailing list, or in case of a bug, via GitHub.

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